Which is a very serious type of heart block in which no electrical impulses reach the ventricles?
A) murmur
B) sick sinus syndrome
C) hyperlipidemia
D) third-degree heart block
D
Explanation: A) This is a valve problem, not a type of heart block.
B) This is an arrhythmia, not a type of heart block.
C) This is not a type of heart block.
D) Correct!
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Which of the following terms refers to indigestion?
A) gastralgia B) dyspepsia C) emesis D) polyphagia
A signal of colon and rectal cancer is
A. high fever. B. headaches. C. cramping. D. rectal bleeding.
What is 2/3 times 2/7 ?
A) 5/21 B) 2/21 C) 4/21 D) 5/84 E) 4/63
Which statement about the relationship between peptic ulcers and the bacterium Helicobacter pylori (H. pylori) is correct?
A. H. pylori causes an increased production of hydrochloric acid B. Patients with H. pylori will eventually require a gastrectomy to treat peptic ulcers C. H. pylori bacteria produce enzymes that weaken the protective mucus in the stomach D. H. pylori does not respond to antibiotics in the treatment of peptic ulcers. E. Patients with peptic ulcers caused by H. pylori are more prone to develop gastric cancer